Cardinal Cormac Murphy-O'Connor, former archbishop of Westminster, discusses the allegations of inappropriate acts concerning Cardinal Keith O'Brien, Britain's most senior Roman Catholic. Speaking on the BBC's Andrew Marr Show on Sunday, Murphy-O'Connor says that he is very sad to hear about the allegations. O'Brien is due to take part in the conclave at the Vatican next month to choose a new pope. O'Brien strenuously denies the allegations